Introduction
JavaScript offers various methods for object cloning. This article delves into lazy shallow cloning, a technique ideal for improving performance in specific scenarios.
What is Lazy Shallow Cloning?
Lazy shallow cloning involves creating a new object that shares the properties of the original object. It doesn’t deep-clone nested objects, which can boost performance but also has its trade-offs.
When to Use Lazy Shallow Cloning
It is suited for situations where deep cloning is unnecessary, such as when dealing with large objects that have non-nested properties. This method is especially beneficial in enhancing application performance.
Implementing Lazy Shallow Cloning
There are different ways to implement this in JavaScript. The article highlights simple idiomatic approaches and the use of utility libraries like Lodash.
Example Code
A sample code snippet demonstrates the practicality of lazy shallow cloning. By showing how to clone an object and modify its properties, the article illustrates the simplicity and efficiency of this cloning method.
Potential Trade-offs
While lazy shallow cloning can be efficient, it comes with some downsides. The most significant trade-off is the inability to clone nested objects, which may lead to unexpected side-effects.
Conclusion
Lazy shallow cloning in JavaScript strikes a balance between performance and usability. While it has limitations, understanding when to use this method can be highly advantageous, particularly in performance-sensitive applications.
View the original article here: https://www.celigo.com/blog/lazy-shallow-cloning-in-javascript/
